Question about RCA L37WD12 37 in. LCD HDTV

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RCA L37WD22 not receiving analog

6 mth old RCA L37WD22 suddenly stopped working yesterday. Now only comes up with "unusable signal" and will not pick up analog channels - only digital. Can this be fixed?

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  • Steve19 May 11, 2008

    Is that the same as the Serial #? If so, it's H294CU04W. That's the only other number I can find!

  • Anonymous May 28, 2008

    I have the same tv and we were watching tv and it came up unusable signal and I bought it from Aarons rent to own and they came out and they can not figure it out we even changed it to a different room and it still does the same thing, I supposedly have a tech making an appt to come look at it

  • fillbiz Jun 25, 2008

    The exact same thing happened to me (tv suddenly stopped to receive analog signal after about 6 months)

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The problem is on the signal board. Same problem and fix for L42wd22, and L46wd22 models.
I can fix this board for a FRACTION of what a repair tech will charge you. Email me at aplusrepairs@triad.rr.com

Posted on Dec 22, 2008

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  • Master
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What is the chassis #?

Posted on May 11, 2008

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Firstly, CAN??, and then how do I get an NEC NLT-19XT1 television to work with a TEAC High Definition Digital Receiver HDB848 HDMI, please. Anyone know how? Appreciate all the help I can get. Thank


Id the TV Anolog or Digital? If it is analog, then the digital receiver must have RCA outputs to meet the TV's RCA inputs. To make an old analog TV work (meaning getting a picture), you have to check id the receiver has RCA or S-Video outputs. If so, then connect an RCA cable with yellow into yellow, red into red and white into white and then connect the same colors plugs to the yellow, red and white to the RCA inputs of the TV. Or, you can connect a S-Video cable plugs in the output of the receiver and the input of the TV, disconnect the yellow RCA plugs at both the receiver and TV sockets and leave the red and white cable for sound only, as S-Video has an improved video signal, therefore better picture quality. On the TV you have to select an AV input channel, like AV1 or AV2, etc. The same channels that you had used when you were once watching VCR tapes on analog TV. Hope this helps.

Nov 17, 2014 | Televison & Video

1 Answer

I need the maual for this rca tv L37wd22yx6 tv just keeps saying unusable signal and i need the maual


What is the signal source for the TV? Make sure that you are on the correct input. Use the Input button on the remote. If you do not have the original remote, you need one that matches that function. (Often a Source or Input button is not available on the low end remotes.) Check that you have the signal set to Antenna or Cable if you are using the coaxial connection and the source is TV. (Menu > Setup > Channel Setup > Signal Type)

If your source is a computer, use the VGA port not the HDMI port. Computers send a different type of video signal than video set top boxes. The L37WD22 can't interpret the PC signal on the HDMI input.

For a set top box on the HDMI port, the unusable signal message indicates a communication issue. Try pressing the Info button on the remote. If you see an additional message of Acquiring Channel, then the set top box isn't responding to the remote. Check that the device is on and set up correctly to communicate with the TV. (For example, if your set top box offers progressive scan, try turning of that feature with the control for the box.)

The L37WD22 was built by TTE for the RCA label. The manual is available on the TTE support page.

The direct link to the User's Manual in English is http://support.ttetech.com/RCATV/Assets/pdfs/L37WD22_16788070_IB_e-07.pdf .

I hope this helps.

Cindy Wells

Aug 29, 2011 | RCA Televison & Video

2 Answers

My tv comes on and has "unusable signal" floating on it


What is your signal source, OTA or cable? Did lightning or another type of power surge recently hit? Make sure you have the TV on the desired input.

If OTA check your antenna direction and that you have the Channel Setup (from the menu) set to Antenna. Also check if you have the right antenna to get stations in your area. Antennaweb.org gives the most likely channels and directions. tvfool.com will give more detailed information and more stations. Both sites assume outdoor antennas but the direction information is always good. Look for new construction or big trees that might block the signal. Do you have multiple TVs sharing the same antenna? You might need an amplifier.

If cable, check the Channel setup. Check for someone recently damaging your cable installation (cutting the wires, trying to split the signal to get it for free) Splitting the signal to multiple TVs may also be an issue, get an amplifier of the correct type. Some cable systems may require a bidirectional amplifier.

If you recently had a power surge, see if the TV works with other inputs.
Tuners can be replaced if the TV is worth the labor costs for you.

I hope this helps.

Cindy Wells
( My household had three tvs and a digital to analog converter that lost their tuners after a nearby lightning strike. We chose to replace the TVs since two were over 15 years old and the third was also out of warranty.)

Apr 13, 2010 | RCA L46WD22 Television

2 Answers

42 RCA TV flashing unusable signal


Ur backlight video board it dead,must replaced.

Dec 05, 2009 | RCA L42WD22 42 in. LCD Television

1 Answer

I have an rca L42WD22YX5 that just went to a blank screen yesterday. The screen keeps reading unusable signal. It is only 14 months old.


i had this happen last year, now my tv is messed up again. when we had the problem with the unusable signal, the tv repair shop told us it was the main motherboard that caused it. ended up paying $250.00 to have it fixed. Now, our tv is broke again, this morning turned it on, got the green light, then just started flashing red, hasnt worked any at all today, reset it and everything. My suggestion, if you can afford to buy a new tv, do it, because I called the repair shop again this morning about the new problem, they said after the 1 year warrentt from rca runs out all they do is tear up. My tv isnt even 4 years old, bought it at the end of 2007, now its tore up twice, going to purchase a samsung in the morning from brandsmart. Good Luck!

Sep 29, 2009 | RCA L42WD22 42 in. LCD Television

1 Answer

Analog/Digital


HDLCD2600 come set for cable. Make sure the tv is set for "tv" or "air" then run the auto channel memory or search feature of the set. If you have the manual it's under "memorizing channels". If your still have problems, call Sansui TV's customer service number 800 289 0980.

Nov 04, 2008 | Sansui HDLCD-2600 26 in. LCD Television

4 Answers

No sound on LCD tv


in the audio part of the menu, check to make sure the internal speakers are not turned off.

what connection are you using for the DVD? if using YPrPb, make sure you also have the audio red and white plugged in

Feb 12, 2008 | RCA L37WD12 37 in. LCD HDTV

1 Answer

Unusable video signal


e-mail me or call me 520-248-4242 any time

Dec 11, 2007 | RCA Scenium HDLP61W151 61 in. HD-Ready...

9 Answers

Not recognizing signals


OK...1st of all I want to GREATLY tetraedronic, who wrote to replace the F fuse with the G fuse. I noticed our TV had the exact same thing go wrong. I searched for the item # F1455CT-ND and bought it from www.digikey.com for a whole $2.85 including shipping. It arrived in about 2-3 days. Hubby bought a fine SILVER SOLDER and a $20 solder gun @ HomeDepot. We placed a quilt on the kitchen table, turned the TV on it's face and took off the base & back and them the back panel on the metal casement. About 2 inches behine where the coax plugs in there is a TEENY TINY fuse with an F on it.....we placed the new G fuse right on top of it and with the use of a magnifying glass we barely touched both ends with the solder and reassembled all we'd disassembled. Hooked Coax and power back up and BADDA BOOM....we have sound and the analog channels back. For us, there was NO other option. NO ONE here in SE KS will touch this TV. Oh, and when I say this fuse is small.....well...be prepared....you may inhale it, it is SO dern small. I bet it would take 4 or more of them to cover the head of a match from a matchbook...NO LIE. E-mail me with any questions if ya need. jbs_fanci@yahoo.com

Once again, THANKS A MILLLLLLLION for this fix idea!!

Stacy, Johnny, the kids and the dog :O)

Nov 22, 2007 | RCA L46WD22 Television

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